#VU72057 Error Handling in heimdal - CVE-2022-45142

Vulnerability identifier: #VU72057

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-45142

CWE-ID: CWE-388

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
heimdal
Server applications / Encryption software

Vendor: Heimdal Software

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a logic issue in Heimdal GSSAPI related to patch for vulnerability #VU68701 (CVE-2022-3437). A remote user can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

heimdal: 7.7.1 - 7.8.0

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External links
https://ubuntu.com/security/notices/USN-5849-1
https://www.openwall.com/lists/oss-security/2023/02/08/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.